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tagmap.h
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/*-
* Copyright (c) 2010, Columbia University
* All rights reserved.
*
* This software was developed by Vasileios P. Kemerlis <[email protected]>
* at Columbia University, New York, NY, USA, in June 2010.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Columbia University nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __TAGMAP_H__
#define __TAGMAP_H__
#include "pin.H"
#include "tag_traits.h"
#include <utility>
/*
* the bitmap size in bytes
*/
#define PAGE_SIZE 4096
#define PAGE_BITS 12
#define TOP_DIR_SZ 0x800000
#define PAGETABLE_SZ 0X1000
#define PAGETABLE_BITS 24
#define OFFSET_MASK 0x00000FFFU
#define PAGETABLE_OFFSET_MASK 0x00FFFFFFU
#define VIRT2PAGETABLE(addr) ((addr) >> PAGETABLE_BITS)
#define VIRT2PAGETABLE_OFFSET(addr) \
(((addr)&PAGETABLE_OFFSET_MASK) >> PAGE_BITS)
#define VIRT2PAGE(addr) VIRT2PAGETABLE_OFFSET(addr)
#define VIRT2OFFSET(addr) ((addr)&OFFSET_MASK)
#define ALIGN_OFF_MAX 8 /* max alignment offset */
#define ASSERT_FAST 32 /* used in comparisons */
extern void libdft_die();
/* XXX: Latest Intel Pin(3.7) does not support std::array :( */
// typedef std::array<tag_t, PAGE_SIZE> tag_page_t;
// typedef std::array<tag_page_t*, PAGETABLE_SZ> tag_table_t;
// typedef std::array<tag_table_t*, TOP_DIR_SZ> tag_dir_t;
/* For file taint */
typedef struct {
tag_t tag[PAGE_SIZE];
} tag_page_t;
typedef struct {
tag_page_t *page[PAGETABLE_SZ];
} tag_table_t;
typedef struct {
tag_table_t *table[TOP_DIR_SZ];
} tag_dir_t;
void tagmap_setb(ADDRINT addr, tag_t const &tag);
void tagmap_setb_reg(THREADID tid, unsigned int reg_idx, unsigned int off,
tag_t const &tag);
tag_t tagmap_getb(ADDRINT addr);
tag_t tagmap_getb_reg(THREADID tid, unsigned int reg_idx, unsigned int off);
tag_t tagmap_getw(ADDRINT addr);
tag_t tagmap_getl(ADDRINT addr);
tag_t tagmap_getn(ADDRINT addr, unsigned int size);
tag_t tagmap_getn_reg(THREADID tid, unsigned int reg_idx, unsigned int n);
void tagmap_clrb(ADDRINT addr);
void tagmap_clrn(ADDRINT, UINT32);
void tagmap_setn(ADDRINT addr, UINT32 n, tag_t const &tag);
#endif /* __TAGMAP_H__ */